AP human geography unit 2 already passed

AP human geography unit 2 already passed Age Distribution the distributions of age in a population Carrying Capacity the largest number of people that the environment of a particular area can support Cohort a population group that's distinguished by a certain characteristic Demographic Equation equation that summarizes the amount of growth or decline in a population during a certain period of time, also taking into account net migration and natural increase Demographic Transition Model sequence of demographic changes in which a country mover from a high CDR and a high CBR, to having a low CDR and a low CBR Dependency Ratio ratio of the economically dependent part of the population to the productive part Doubling Time time it takes for a country to double its population Ecumene meeting place for the world's religions and ideologies Infant Mortality Rate however many infants die per thousand per year J-curve the correlation between stability and openness Maladaptation an adaptation that does more harm than good Thomas Malthus British demographer that suggested that a massive plague or epidemic would 'check' the population Mortality , and mortality rate being how many people die per thousand, CDR Natality birth rate, or CBR Neo-Malthusian Advocacy of population control programs to enough resources for current and future populations Population Densities measurements of number of people per a unit of land area Population Distributions the distributions of different specifications of populations Population Explosion population booms (low CDR and high CBR) Population Projection the estimated population in a certain time in the future Population Pyramid a pyramid-like diagram that displays the population distributions between age and sex Rate of Natural Increase difference of CDR and CBR in a given country in a year S-curve the curve that defines how rate at which technology is advancing Sustainability how well a country can supply its residents with the proper needs Zero Population Growth CDR and the CBR of a country even out Activity Space places in a local area in which cyclic movement occurs Chain Migration people follow others of preceding friends or family I their migratory paths Cyclic Movement repetitive movement in a short periods of time (back-and-forth movement) Distance Decay the interaction of places decreases as the distance increases Gravity Model interaction of places based on their population, sizes, and distances between them Internal Migration movement within a country's borders Intervening Opportunity an opportunity that arises or occurs before the reaching of the initial goal Migration Patterns patterns of movement; Intercontinental- over countries' borders, Interregional- within a region or certain area, Rural-Urban- from a rural area to an urban area (farm to a city) Migratory Movement movement that consists of one person migrating from one place to another Periodic Movement movement involving longer periods of time further away from home Push-Pull Factor a reason why a migrant might leave or move to a place Refugee a person who has a fear of being caught in means of race, religion, ethnicity, group, or political views Space-Time Prism set of all points that can be reached by an individual given a maximum possible speed from a starting point Step Migration migration involving people to move upward as far as rural to urban, such as farm, then the outskirts, an average neighborhood, then to a city Transhumance a system of pastoral farming in which ranchers move livestock according to the seasonal availability of pastures Transmigration movement that consists of one person migrating from one place to another